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Is there a neat way in rails to get a hash of the params without the default ones of 'action' and 'controller'? Essentially without any param that wasn't added by me.
I've settled for:
parm = params.clone parm.delete('action') parm.delete('controller'); But wondering if there is a neater way to do this?
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params[:id] is meant to be the string that uniquely identifies a (RESTful) resource within your Rails application. It is found in the URL after the resource's name.
Strong Parameters, aka Strong Params, are used in many Rails applications to increase the security of data sent through forms. Strong Params allow developers to specify in the controller which parameters are accepted and used.
The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Parameters for the key passed into require . The permit method returns a copy of the parameters object, returning only the permitted keys and values.
params comes from ActionController::Base, which is accessed by your application via ApplicationController. Specifically, params refers to the parameters being passed to the controller via a GET or POST request.
You could use except:
params.except(:action, :controller) http://as.rubyonrails.org/classes/ActiveSupport/CoreExtensions/Hash/Except.html
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